Ordering Recommendation

Recommended for routine testing for lead exposure. For occupational exposure, consider Lead, Industrial Exposure Panel, Adults (0025016).

Mnemonic
LEAD-WB
Methodology

Quantitative Inductively Coupled Plasma-Mass Spectrometry

Performed

Sun-Sat

Reported

1-3 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Royal blue (K2EDTA or Na2EDTA) or tan (K2EDTA).

Specimen Preparation

Transport 7 mL whole blood (royal blue). (Min: 0.5 mL) OR Transport 3 mL whole blood (tan). (Min: 0.5 mL)

Storage/Transport Temperature

Room temperature. Also acceptable: Refrigerated.

Unacceptable Conditions

Serum. Specimens collected in tubes other than Royal Blue (K2EDTA or Na2EDTA) or tan (K2EDTA). Heparinized or clotted specimens. Capillary pediatric EDTA collection tubes, refer to Lead, Blood (Capillary) 0020745.

Remarks

Trace Elements requisition form may be required (ARUP form #32990).

Stability

Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable

Reference Interval

Less than or equal to 4.9 µg/dL

Interpretive Data

Elevated results may be due to skin or collection-related contamination, including the use of a noncertified lead-free tube. If contamination concerns exist due to elevated levels of blood lead, confirmation with a second specimen collected in a certified lead-free tube is recommended.

Information sources for reference intervals and interpretive comments include the "CDC Response to the 2012 Advisory Committee on Childhood Lead Poisoning Prevention Report" and the "Recommendations for Medical Management of Adult Lead Exposure, Environmental Health Perspectives, 2007." Thresholds and time intervals for retesting, medical evaluation, and response vary by state and regulatory body. Contact your State Department of Health and/or applicable regulatory agency for specific guidance on medical management recommendations.


Age
Concentration
Comment
All ages 5-9.9 µg/dL Adverse health effects are possible, particularly in children under 6 years of age and pregnant women. Discuss health risks associated with continued lead exposure.  For children and women who are or may become pregnant, reduce lead exposure.
All ages 10-19.9 µg/dL Reduced lead exposure and increased biological monitoring are recommended.
All ages 20-69.9 µg/dL Removal from lead exposure and prompt medical evaluation are recommended. Consider chelation therapy when concentrations exceed 50 µg/dL and symptoms of lead toxicity are present.
Less than 19 years of age Greater than 44.9 µg/dL Critical.  Immediate medical evaluation is recommended.  Consider chelation therapy when symptoms of lead toxicity are present.
Greater than 19 years of age Greater than 69.9 µg/dL Critical.  Immediate medical evaluation is recommended.  Consider chelation therapy when symptoms of lead toxicity are present.

Compliance Category

Laboratory Developed Test (LDT)

Note
Hotline History
N/A
CPT Codes

83655

Components
Component Test Code* Component Chart Name LOINC
0020098 Lead, Blood (Venous) 77307-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • BLL
  • Lead (Adult)
  • Pb
  • Pb, Blood
  • Pb, Whole Blood
  • Venous blood level
Lead, Blood (Venous)